[Numpy-discussion] confusion on importing numpy

Eric Firing efiring@hawaii....
Wed Aug 6 13:21:09 CDT 2008


mark wrote:
> Hello list. I am confused about importing numpy.
> 
> When I do
> 
> from numpy import *
> 
> and I try the min function, I get the default Python min function.
> 
> On the other hand, when I do
> 
> import numpy as np
> 
> and use the np.min function, I get the numpy min function (which is
> obviously what I want).
> 
> I know, the latter is preferred, but the former is so dang easy to
> type.
> I always thought both imports work the same, but I am obviously wrong.
> What's the difference?

While I agree with the other posters that "import *" is not preferred, 
if you want to use it, the solution is to use amin and amax, which are 
provided precisely to avoid the conflict.  Just as arange is a numpy 
analog of range, amin and amax are numpy analogs of min and max.

Eric

> 
> Thanks, Mark
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